(19)

(11)

EP 2 670 758 A1

(12)

(43) Date of publication: 11.12.2013 Bulletin 2013/50 (21) Application number: 11709667.7 (22) Date of filing: 08.03.2011

(51) International Patent Classification (IPC):  C07F 7/18(2006.01) (86) International application number: PCT/EP2011/053439 (87) International publication number: WO 2012/103960 (09.08.2012 Gazette 2012/32)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 04.02.2011 US 201161439830 P (71) Applicant: Synthon BV 6545 CM Nijmegen (NL)	(72) Inventors: BENES , Michal 190 11 Prague 9 (CZ) JANOUSEK, Vladimir 190 11 Prague 9 (CZ) PÍS , Jaroslav 190 11 Prague 9 (CZ) (74) Representative: van der Sterren-Mol, Josephine  Synthon BV IP Research P.O. Box 7071 6503 GN Nijmegen 6503 GN Nijmegen (NL)